Product information:

Background paper combination A (3 sheets in total),each sheet size is approximately: 20CM*14.8CM
Background paper combination B (8 sheets in total) Approximate size of each sheet: 21CM*14CM
Background paper set C (8 sheets in total) Approximate size of each sheet: 21CM*14CM
Background paper set D (8 sheets in total),each sheet size is approximately: 21CM*14CM

A: Background paper combination A (3 sheets in total)
B: Background paper combination B (8 sheets in total)
C: Background paper set C (8 sheets in total)
D: Background paper combination D (8 sheets in total)